email: legal@wexford.com  
  
If to Owner:                Cobra Aviation Services LLCMark LaytonChief Financial Officer14201 Caliber Drive, Suite 300Oklahoma City, OK 73134Phone: 405.563-9961mlayton@mammothenergy.com  
With a copy to:            McAfee & Taft A Professional CorporationScott D. McCreary / John R. Chubbuck10th Floor, Two Leadership Square211 N RobinsonOklahoma City OK 73102-7103Phone: 405.235.9621Scott.mccreary@mcafeetaft.comjohn.chubbuck@mcafeetaft.com